In option filtrable for products I try to import Greek characters (letters), but it is not possible,

It does not save it. with Latin is ok. but the site is in Greek

my email is: [email protected]

Hello I have sent credentials in private message

is OK, thank you very much for the immediate response. it's nice to work properly with people you do not know. you are professionals

Hello, the problem still exists in filterable item settings  does not recognize Greek characters and does not display the products  I have sent new credentials in private message

the problem remains,  in filterable settings is OK, but not in  filterable item settings  see the images that follow

You are right. thanks again